Average Co-Inventor Count = 2.10
ph-index = 6
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Matsushita Electric Industrial Co., Ltd. (7 from 27,375 patents)
7 patents:
1. 5197051 - Device for specifying and calculating a play time of an optical disk
2. 5029153 - Optical disk reproducing device
3. 5008875 - Optical disc reproducing apparatus having display indicating program
4. 5008872 - Optical disc reproduction apparatus which detects maximum audio signal
5. 4991159 - Time display device for an apparatus for playing information recorded on
6. 4916682 - Optical disk apparatus with remaining time specification
7. 4894814 - Optical disc player with pause function in response to elapsed preset